Source : Webster's Revised Unabridged Dictionary (1913)

Sea bass \Sea" bass`\ . (Zo["o]l.)
   (a) A large marine food fish ({Serranus, or Centropristis,
       atrarius}) which abounds on the Atlantic coast of the
       United States. It is dark bluish, with black bands, and
       more or less varied with small white spots and blotches.
       Called also, locally, {blue bass}, {black sea bass},
       {blackfish}, {bluefish}, and {black perch}.
   (b) A California food fish ({Cynoscion nobile}); -- called
       also {white sea bass}, and {sea salmon}.

Source : WordNet®

sea bass
     n 1: the lean flesh of a saltwater fish of the family Serranidae
          [syn: {bass}]
     2: any of various food and sport fishes of the Atlantic coast
        of the United States having an elongated body and long
        spiny dorsal fin